Answer:
He is a sharecropper.
Step-by-step explanation:
A sharecropper was a farmer who provided part of his crop as a form of payment, either for land, rent or supplies, as explained in the example.
It derives from the term sharecropping, which is a form of agriculture in which an individual is allowed to use part of a landowner's land given that he/she gives part of the crops for payment.